What's the differencte between Launch X431 Creader CRP129 and CRP229 OBDII fault code readers?

Launch CRP129 vs. CRP229

	Function	CRP129	CRP229
	Screen	3.5inch Color Screen,480×320	5inch Color Screen,480×800
Hardware	CPU	120MHz	Dual Core 1.5GHz
	Internal Memory	1M	512M
	Dimension(LxWxH)	136x73x22(mm)	234x104x38(mm)
	Net Weight	＜350g	＜600g
	Data Interface	15PIN,wired	15PIN,wired
	SD Card	1G(can be extended to 4G)	4G(can be extended to 32G)
	Battery	No	Yes
	Touch Screen	No	Yes
	WiFi	No	Yes
OBDII	Full Function	Yes	Yes
	DTC Query	Yes	Yes
	Data Stream Help	Yes	Yes
	Graphic Display	Yes	Yes
	Supported Car Model	After 1996	After 1996
Diagnostic	System	ENG,ABSS,AT and SRS	Full ECU system
	Function	Read DTC, Clear DTC, Read Stream	Read DTC, Clear DTC, Read Stream
	OBDI Diagnosis	No	Mercedes38,BMW20,Chrysler CCD
	Service Function	ENG Oil, Steering Angle, Brake Pad	ENG Oil, Steering Angle, Brake Pad, Battery reset
	Remote Diagnosis	No	Yes
Additional	Diagnostic Socket Position Reminder	Yes	Yes
	Multiple Languages	Yes	Yes
	Golo Function	No	Yes
	Data Query	No	Yes
	Multimedia	No	Yes
	Online Upgrade	Yes	Yes